214402323 has 4 divisors (see below), whose sum is σ = 285869768. Its totient is φ = 142934880.

The previous prime is 214402313. The next prime is 214402361. The reversal of 214402323 is 323204412.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 214402323 - 2⁶ = 214402259 is a prime.

It is a super-2 number, since 2×214402323² = 91936712215592658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214402323.

It is not an unprimeable number, because it can be changed into a prime (214402303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35733718 + ... + 35733723.

It is an arithmetic number, because the mean of its divisors is an integer number (71467442).

Almost surely, 2^214402323 is an apocalyptic number.

214402323 is a deficient number, since it is larger than the sum of its proper divisors (71467445).

214402323 is an equidigital number, since it uses as much as digits as its factorization.

214402323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71467444.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 214402323 is about 14642.4834983687. The cubic root of 214402323 is about 598.5170070174.

Adding to 214402323 its reverse (323204412), we get a palindrome (537606735).

The spelling of 214402323 in words is "two hundred fourteen million, four hundred two thousand, three hundred twenty-three".